1/*
2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __USER_H__
7#define __USER_H__
8
9#include <generated/asm-offsets.h>
10
11/*
12 * The usual definition - copied here because the kernel provides its own,
13 * fancier, type-safe, definition.  Using that one would require
14 * copying too much infrastructure for my taste, so userspace files
15 * get less checking than kernel files.
16 */
17#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
18
19/* This is to get size_t */
20#ifndef __UM_HOST__
21#include <linux/types.h>
22#else
23#include <stddef.h>
24#endif
25
26extern void panic(const char *fmt, ...)
27	__attribute__ ((format (printf, 1, 2)));
28
29/* Requires preincluding include/linux/kern_levels.h */
30#define UM_KERN_EMERG	KERN_EMERG
31#define UM_KERN_ALERT	KERN_ALERT
32#define UM_KERN_CRIT	KERN_CRIT
33#define UM_KERN_ERR	KERN_ERR
34#define UM_KERN_WARNING	KERN_WARNING
35#define UM_KERN_NOTICE	KERN_NOTICE
36#define UM_KERN_INFO	KERN_INFO
37#define UM_KERN_DEBUG	KERN_DEBUG
38#define UM_KERN_CONT	KERN_CONT
39
40#ifdef UML_CONFIG_PRINTK
41extern int printk(const char *fmt, ...)
42	__attribute__ ((format (printf, 1, 2)));
43#else
44static inline int printk(const char *fmt, ...)
45{
46	return 0;
47}
48#endif
49
50extern int in_aton(char *str);
51extern size_t strlcpy(char *, const char *, size_t);
52extern size_t strlcat(char *, const char *, size_t);
53
54/* Copied from linux/compiler-gcc.h since we can't include it directly */
55#define barrier() __asm__ __volatile__("": : :"memory")
56
57#endif
58